| |
 |
|
Class Information
Number: 327/440
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Gating (i.e., switching input to output) > Utilizing three or more electrode solid-state device > Four or more layer device (e.g., thyristor, etc.) > Gto (i.e., gate turnoff)
Description: Subject matter including a four layer pnpn device similar in construction to an SCR, but which is switched into a nonconduction state by a polarity reverse signal applied to the gate or control electrode.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602229 |
High frequency control of a semiconductor switch |
Oct. 13, 2009 |
| 7352233 |
Efficient thyristor-type power switches |
Apr. 1, 2008 |
| 6967520 |
Gate drive circuit, which makes the gate-charge flow back to the load and the main power source |
Nov. 22, 2005 |
| RE38734 |
Semiconductor switching apparatus and method of controlling a semiconductor switching element |
May. 17, 2005 |
| 6812772 |
Method for driving a power semiconductor |
Nov. 2, 2004 |
| 6710639 |
Emitter turn-off thyristors and their drive circuits |
Mar. 23, 2004 |
| 6650169 |
Gate driver apparatus having an energy recovering circuit |
Nov. 18, 2003 |
| 6426666 |
Diode-assisted gate turn-off thyristor |
Jul. 30, 2002 |
| 6423988 |
Pressure-contact semiconductor device |
Jul. 23, 2002 |
| 6339231 |
Gate commutated turn-off thyristor module |
Jan. 15, 2002 |
| 6275093 |
IGBT gate drive circuit with short circuit protection |
Aug. 14, 2001 |
| 6271708 |
Gate circuit |
Aug. 7, 2001 |
| 6252451 |
Switching circuit |
Jun. 26, 2001 |
| 6172552 |
FET device for use in solid-state relay |
Jan. 9, 2001 |
| 6163200 |
Gate driver device for GTO thyristor |
Dec. 19, 2000 |
| 6127746 |
Method of controlling the switching DI/DT and DV/DT of a MOS-gated power transistor |
Oct. 3, 2000 |
| 5990724 |
Method and a device for detecting and handling short-circuit phenomena for power semiconductor devices of turn-off type connected in series |
Nov. 23, 1999 |
| 5986290 |
Silicon controlled rectifier with reduced substrate current |
Nov. 16, 1999 |
| 5949273 |
Short circuit protection for parallel connected devices |
Sep. 7, 1999 |
| 5852381 |
Turbine engine ignition exciter circuit including low voltage lockout control |
Dec. 22, 1998 |
| 5847593 |
Voltage discharge circuit for a photovoltaic power source |
Dec. 8, 1998 |
| 5777506 |
Semiconductor switching apparatus and method of controlling a semiconductor switching element |
Jul. 7, 1998 |
| 5712587 |
Apparatus and method for simultaneously deactivating series-connected switching devices |
Jan. 27, 1998 |
| 5699008 |
Thyristor controllable by logic signals |
Dec. 16, 1997 |
| 5684426 |
GTO gate driver circuits for snubbered and zero voltage soft switching converters |
Nov. 4, 1997 |
| 5656966 |
Turbine engine ignition exciter circuit including low voltage lockout control |
Aug. 12, 1997 |
| 5629571 |
Thyristor load detector |
May. 13, 1997 |
| 5621257 |
Gate drive circuit for voltage-driven type power switching device |
Apr. 15, 1997 |
| 5616970 |
Method and circuit arrangement for driving semiconductor switches in a series circuit |
Apr. 1, 1997 |
| 5596292 |
A.C. switch triggered at a predetermined half-period |
Jan. 21, 1997 |
| 5592118 |
Ignition exciter circuit with thyristors having high di/dt and high voltage blockage |
Jan. 7, 1997 |
| 5534735 |
Photo SI thyristor driving circuit and its protection circuit |
Jul. 9, 1996 |
| 5514921 |
Lossless gate drivers for high-frequency PWM switching cells |
May. 7, 1996 |
| 5504451 |
Gated thyristor and process for its simultaneous fabrication with high- and low-voltage semiconductor devices, integrated circuit containing the same, systems and methods. |
Apr. 2, 1996 |
| 5493247 |
Gate circuit for hard driven GTO |
Feb. 20, 1996 |
| 5483192 |
Gate power supply circuit |
Jan. 9, 1996 |
| 5450308 |
Gate power supply circuit |
Sep. 12, 1995 |
| 5391997 |
Optically isolated N-channel MOSFET driver |
Feb. 21, 1995 |
| 5338994 |
Method and apparatus for achieving current balance in parallel connected switching devices |
Aug. 16, 1994 |
| 5262885 |
Control circuit and data transmission device provided with such a circuit |
Nov. 16, 1993 |
| 5262691 |
Gate turnoff thyristor control circuit with shorted gate detection |
Nov. 16, 1993 |
| 5260607 |
Snubber circuit for power converter |
Nov. 9, 1993 |
| 5237225 |
Switching arrangement for an RF GTO |
Aug. 17, 1993 |
| 5210451 |
Power semiconductor circuit |
May. 11, 1993 |
| 5208495 |
Static power switch incorporating semi-conductor |
May. 4, 1993 |
| 5149995 |
Electrical circuit for the switch-off relief of a controllable semiconductor switch |
Sep. 22, 1992 |
| 5083093 |
Circuit for coupling energy to pulse forming network or capacitor |
Jan. 21, 1992 |
| 5051603 |
Method and apparatus for matching turn-off times of parallel connected semiconductor switching devices |
Sep. 24, 1991 |
| 4994696 |
Turn-on/off driving technique for insulated gate thyristor |
Feb. 19, 1991 |
| 4942440 |
High voltage semiconductor devices with reduced on-resistance |
Jul. 17, 1990 |
|
|
|
